SDWebImagePrefetcher Class Reference

#import <SDWebImagePrefetcher.h>

Inheritance diagram for SDWebImagePrefetcher:

Instance Methods
(void)	- prefetchURLs:
(void)	- prefetchURLs:progress:completed:
(void)	- cancelPrefetching

Class Methods
(SDWebImagePrefetcher *)	+ sharedImagePrefetcher

Properties
SDWebImageManager *	manager
NSUInteger	maxConcurrentDownloads
SDWebImageOptions	options
dispatch_queue_t	prefetcherQueue
id< SDWebImagePrefetcherDelegate >	delegate

Detailed Description

Prefetch some URLs in the cache for future use. Images are downloaded in low priority.

Method Documentation

- (void) cancelPrefetching

Remove and cancel queued list

- (void) prefetchURLs:

(NSArray *)

urls

Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, currently one image is downloaded at a time, and skips images for failed downloads and proceed to the next image in the list

Parameters

urls	list of URLs to prefetch

- (void) prefetchURLs:		(NSArray *)	urls
progress:		(SDWebImagePrefetcherProgressBlock)	progressBlock
completed:		(SDWebImagePrefetcherCompletionBlock)	completionBlock

Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, currently one image is downloaded at a time, and skips images for failed downloads and proceed to the next image in the list

Parameters

urls	list of URLs to prefetch
progressBlock	block to be called when progress updates; first parameter is the number of completed (successful or not) requests, second parameter is the total number of images originally requested to be prefetched
completionBlock	block to be called when prefetching is completed first param is the number of completed (successful or not) requests, second parameter is the number of skipped requests

+ (SDWebImagePrefetcher *) sharedImagePrefetcher

Return the global image prefetcher instance.

Property Documentation

- (SDWebImageManager*) manager

readnonatomicstrong

The web image manager

- (NSUInteger) maxConcurrentDownloads

readwritenonatomicassign

Maximum number of URLs to prefetch at the same time. Defaults to 3.

- (SDWebImageOptions) options

readwritenonatomicassign

SDWebImageOptions for prefetcher. Defaults to SDWebImageLowPriority.

- (dispatch_queue_t) prefetcherQueue

readwritenonatomicassign

Queue options for Prefetcher. Defaults to Main Queue.

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The documentation for this class was generated from the following files:

• Vendors/SDWebImage/SDWebImagePrefetcher.h
• Vendors/SDWebImage/SDWebImagePrefetcher.m